> [!info] See Also > [Spaced Repetition: Beginner Guide/FAQ | Entropic Thoughts](https://entropicthoughts.com/spaced-repetition-beginner-guide-faq) ## Programs - [[Anki]] - [Hashcards](https://borretti.me/article/hashcards-plain-text-spaced-repetition) - [Hashcards GitHub](https://github.com/eudoxia0/hashcards) - Markdown-based - [Mochi](https://mochi.cards/) - Sync between different devices costs $5/month - Uses proprietary `.mochi` format after importing from other formats like Anki or Markdown - [Obsidian Spaced Repetition](https://github.com/st3v3nmw/obsidian-spaced-repetition) ## Algorithms - [FSRS](https://github.com/open-spaced-repetition/free-spaced-repetition-scheduler) - Free Spaced Repetition Scheduler - [Borretti — Implementing FSRS in 100 Lines](https://borretti.me/article/implementing-fsrs-in-100-lines)